AMD Radeon HD 8990

Product status: Released | Report Error
Overview
Manufacturer
AMD
Based on
HD 7990
Original Series
Radeon HD 8000
Release Date
April 24th, 2013
Launch Price
OEM USD
PCB Code
109-C47637-00
Board Model
AMD C476
Graphics Processing Unit
GPU Codename
Malta
GPU Model
2× Tahiti XT2
Architecture
Graphics Core Next 1.0
Fabrication Process
28 nm
Die Size
2× 352 mm2
Transistors Count
2× 4.3B
Transistors Density
12.3M TRAN/mm2
Stream Processors
2× 2048 (4096)
Compute Units
2× 128 (256)
Shader Engines
2× 32 (64)
TMUs
2× 128 (256)
ROPs
2× 32 (64)
Clocks
Base Clock
950 MHz
Boost Clock
1000 MHz
Memory Clock
1500 MHz
Effective Memory Clock
6000 Mbps
Memory Configuration
Memory Size
2× 3072 (6144) MB
Memory Type
GDDR5
Memory Bus Width
2× 384 (768)-bit
Memory Bandwidth
2× 288.0 (576) GB/s
Technologies
  • AMD CrossFire
  • AMD Eyefinity
  • AMD HD3D
  • AMD PowerPlay
  • AMD PowerTune w/ Boost
  • AMD ZeroCore Power

VideoCardz.com

Physical
Interface
PCI-Express 3.0 x16
Width
13.7 cm
Length
31.2 cm
Height
2-slot
Power Connectors
2 × 8-pin
TDP/TBP
375 W
Recommended PSU
750 W
Multi-GPU Support
4-way
Display Outputs
DVI-D DualLink
1 ×
miniDisplayPort
4 ×
API Support
DirectX
11.2
Vulkan
-
OpenGL
4.4
OpenCL
1.2
Shader Model
5.0

Performance
Pixel Fillrate
60.8 GPixels/s
Texture Fillrate
243.2 GTexel/s
SPFP Performance
7.8 TFLOPS
Performance per W
20.8 GFLOPS/W
Performance per mm2
11.1 GFLOPS/mm2





 ModelClocksMemory
AMD Radeon HD 8990
4096 Unified Cores
950 / 1500 MHz 6 GB GDDR5
AMD Radeon HD 8970
2048 Unified Cores
1000 / 1500 MHz 3 GB GDDR5
AMD Radeon HD 8950
1792 Unified Cores
850 / 1250 MHz 3 GB GDDR5
AMD Radeon HD 8870
1280 Unified Cores
1000 / 1200 MHz 2 GB GDDR5
AMD Radeon HD 8860
1280 Unified Cores
925 / 1400 MHz 2 GB GDDR5
AMD Radeon HD 8770
896 Unified Cores
1050 / 1500 MHz 1 GB GDDR5
AMD Radeon HD 8760
640 Unified Cores
1000 / 1125 MHz 2 GB GDDR5
AMD Radeon HD 8740
512 Unified Cores
800 / 1125 MHz 1 GB GDDR5
AMD Radeon HD 8510
480 Unified Cores
650 / 800 MHz 1 GB GDDR3
AMD Radeon HD 8550
480 Unified Cores
650 / 800 MHz 1 GB GDDR3
AMD Radeon HD 8670
384 Unified Cores
1000 / 1150 MHz 2 GB GDDR5
AMD Radeon HD 8730
384 Unified Cores
800 / 1125 MHz 1 GB GDDR5
AMD Radeon HD 8570
320 Unified Cores
730 / 900 MHz 2 GB GDDR3
AMD Radeon HD 8490
160 Unified Cores
875 / 900 MHz 1 GB DDR3
AMD Radeon HD 8470
160 Unified Cores
775 / 900 MHz 1 GB GDDR5
AMD Radeon HD 8450
160 Unified Cores
625 / 533 MHz 1 GB DDR3
AMD Radeon HD 8350
80 Unified Cores
400 / 450 MHz 512 MB DDR3
 ModelClocksMemory
AMD Radeon Sky 900
3584 Cores
825 / 1250 MHz 6 GB GDDR5
AMD Radeon Sky 700
1792 Cores
900 / 1250 MHz 6 GB GDDR5
AMD Radeon R9 280X
2048 Cores
850 / 1500 MHz 3 GB GDDR5
AMD Radeon R9 280
1792 Cores
850 / 1500 MHz 3 GB GDDR5
AMD Radeon HD 8990
4096 Cores
950 / 1500 MHz 6 GB GDDR5
AMD Radeon HD 8970
2048 Cores
1000 / 1500 MHz 3 GB GDDR5
AMD Radeon HD 8950
1792 Cores
850 / 1250 MHz 3 GB GDDR5
AMD Radeon HD 7990
4096 Cores
950 / 1500 MHz 6 GB GDDR5
AMD Radeon HD 7970 GHz Edition
2048 Cores
1000 / 1500 MHz 3 GB GDDR5
AMD Radeon HD 7970
2048 Cores
925 / 1375 MHz 3 GB GDDR5
AMD Radeon HD 7950 Boost
1792 Cores
850 / 1250 MHz 3 GB GDDR5
AMD Radeon HD 7950
1792 Cores
800 / 1250 MHz 3 GB GDDR5
AMD Radeon HD 7870 XT
1536 Cores
925 / 1500 MHz 2 GB GDDR5
AMD Radeon HD 7950 (V)
1792 Cores
800 / 1250 MHz 3 GB GDDR5